CN108312921B - Integrated structure of head of backrest framework of passenger car seat - Google Patents
Integrated structure of head of backrest framework of passenger car seat Download PDFInfo
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- CN108312921B CN108312921B CN201810129164.2A CN201810129164A CN108312921B CN 108312921 B CN108312921 B CN 108312921B CN 201810129164 A CN201810129164 A CN 201810129164A CN 108312921 B CN108312921 B CN 108312921B
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- seat
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- backrest
- head
- flanging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/242—Bus seats
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention discloses a head integrated structure of a backrest framework of a passenger car, which comprises a backrest framework frame body, wherein the backrest framework frame body comprises backrest side pipes which are vertically and oppositely arranged, and an upper cross beam which is connected to the upper ends of the two backrest side pipes, the upper part of the backrest framework frame body is provided with a head supporting seat, the head supporting seat comprises a head supporting column and an L-shaped flanging, the middle part of the upper cross beam is upwardly extended to be provided with the head supporting column, an L-shaped flanging is connected between the head supporting column and the backrest side pipes, a safety belt hanging seat is arranged on the L-shaped flanging, and an L-shaped handle mounting seat is connected between the lower edge of the upper cross beam and the backrest side columns. The seat has the beneficial effects that the seat provides support for the head of a passenger, is beneficial to improving riding comfort, integrates the seat belt hanging part and the rear-row handle mounting position, adopts light alloy and reasonable design, has a compact structure, reduces the material consumption, and is beneficial to reducing the weight of the seat.
Description
Technical Field
The invention relates to a passenger car seat framework structure, in particular to a passenger car seat backrest framework head integrated structure.
Background
Passenger cars are an important component of public transportation. With the progress of urban design, the number of buses is increasing. The traditional passenger car adopts the internal combustion engine as power, so that the problems of fuel consumption and waste gas emission of a large number of passenger cars cannot be ignored; in recent years, new energy buses use electric drive or hybrid oil-electric drive as power, and are more sensitive to the dead weight of the buses due to the limitation of engine power and battery cruising ability. Reducing dead weight is one way to reduce energy consumption in passenger vehicles. Whichever power mode is adopted, the light-weight passenger car is a real demand, and the development of new materials and new technologies provides possibility for the light-weight development of the passenger car.
Seats are a relatively large number of components on passenger vehicles and generally include a seat frame, which includes a back frame and a seat frame, on which various connection mechanisms and mounting mechanisms for the functional modules are provided, foam, webbing, and other functional modules such as seat back-and-forth adjustment, lateral sliding, height adjustment, and the like. Under the premise of ensuring safety and reliability, optimizing the design of the seat framework from the two aspects of structure and materials, reducing the weight of the seat has important significance for realizing the light weight of the passenger car, and meanwhile, optimizing the structural design can improve riding comfort.
Disclosure of Invention
In order to solve the technical problems, the invention provides a head integrated structure of a seat backrest framework of a passenger car.
The technical proposal is as follows:
the head integrated structure of the backrest framework of the passenger car comprises a backrest framework frame body, wherein the backrest framework frame body comprises backrest side pipes which are vertically arranged in opposite directions and an upper cross beam which is connected to the upper ends of the two backrest side pipes;
the middle part of the upper beam is upwards extended to be provided with the head support column, the L-shaped flanging is connected between the head support column and the backrest side pipe, the L-shaped flanging is forwards extended, the L-shaped flanging comprises a transverse section arranged along the upper beam and a vertical section arranged along the backrest side pipe, the transverse section is positioned above the upper beam, the inner end of the transverse section is connected with the head support column, the outer end of the transverse section is connected with the upper end of the vertical section, the rear edge of the vertical section is connected with the backrest side pipe, and smooth transition connection is realized between the transverse section and the vertical section;
a safety belt hanging seat is arranged on the vertical section of the L-shaped flanging;
the upper cross beam is connected with two L-shaped handle mounting seats, the free ends of vertical arms of the L-shaped handle mounting seats are connected with the lower edge of the upper cross beam, and the free ends of cross arms of the L-shaped handle mounting seats are connected with the backrest side tube.
By adopting the design, the seat belt support has the advantages that the head support column and the L-shaped flanging jointly form the support structure of the back and the side of the head, leaning sites are provided for the head of a passenger, the riding comfort is improved, meanwhile, the seat belt hanging part is integrated on the head support structure, the rear-row handle mounting position is arranged below the head support structure, and the whole structure is compact.
As a preferred technical solution, a vertical section of the "L" -shaped flange is located at the upper portion of the backrest side tube, and the vertical section is unfolded outwards while being extended forwards.
By adopting the design, the head has the advantages of widening the lateral space of the head and further enhancing the riding comfort.
As a preferable technical scheme, the seat belt hanging seat extends backwards to the backrest side pipe and is connected with the backrest side pipe;
the safety belt hanging seat extends to two sides of the vertical section of the L-shaped flanging, the safety belt hanging seat penetrates through the vertical section of the L-shaped flanging, the front part of the safety belt hanging seat is located at the inner side of the vertical section of the L-shaped flanging, and the rear part of the safety belt hanging seat is located at the outer side of the vertical section of the L-shaped flanging.
By adopting the design, the safety belt hanging seat has the advantages that the connection strength of the safety belt hanging seat and the backrest framework frame body is improved, and meanwhile, the occupied space of the safety belt hanging seat is reduced.
As an optimal technical scheme, the safety belt hanging seat is provided with a safety belt fixing hole in a penetrating mode along the left-right direction, and a weight reducing cavity with a backward opening is arranged in the safety belt hanging seat.
By adopting the design, the safety belt hanging part has the advantage of being beneficial to reducing the weight of the safety belt hanging part.
As the preferable technical scheme, a flanging reinforcing plate is arranged between the transverse section of the L-shaped flanging and the upper cross beam, and the periphery of the flanging reinforcing plate is respectively connected with the transverse section, the upper cross beam, the head support column and the vertical section.
By adopting the design, the novel back rest frame has the advantage that the connection strength among the L-shaped flanging, the head support column and the back rest frame body is improved.
As the preferable technical scheme, the middle part of the upper cross beam is provided with two head support columns, one L-shaped flanging and a flanging reinforcing plate are arranged between the two head support columns and the adjacent backrest side columns, and the vertical section of the L-shaped flanging on any side is provided with the safety belt hanging seat.
By adopting the design, the backrest framework has the advantage that the left side and the right side of the backrest framework are respectively provided with the head supporting structures.
As a preferable technical scheme, the backrest framework frame body is formed by bending a groove-shaped pipe, the opening of the groove-shaped pipe is backward, the middle section of the groove-shaped pipe is horizontally arranged to form the upper cross beam, and the two ends of the groove-shaped pipe are respectively bent downwards to form the backrest side pipe;
the head support column is of a groove-shaped structure with a backward opening, and the front side surface of the head support column is leveled with the front side surface of the upper cross beam;
the front side surface of the L-shaped handle mounting seat is flat with the front side surface of the upper cross beam, and the front side surface of the L-shaped handle mounting seat is flat with the front side surface of the upper part of the backrest side pipe;
the rear surface of the flanging reinforcing plate is leveled with the rear notch of the head support column.
By adopting the design, the novel backrest frame has the advantages that the materials are reduced on the basis of ensuring the structural strength of the backrest frame body, the L-shaped handle mounting seat and the head support column, and meanwhile, the novel backrest frame is convenient to form and manufacture.
As the preferable technical scheme, the bottom of the groove of the head support column extends backwards to be provided with a backboard mounting column, a reinforcing rib is arranged between the outer wall of the backboard mounting column and the two side walls of the groove-shaped structure, and backboard mounting holes axially penetrate through the backboard mounting column.
By adopting the design, the back plate mounting hole structure has the advantages that the connection site is provided for mounting the back plate, and meanwhile, the strength of the back plate mounting hole is ensured by a simple structure with less material consumption.
As the preferable technical scheme, the bottom of the L-shaped handle mounting seat extends backwards to be provided with a handle mounting hole column, a reinforcing rib is arranged between the outer wall of the handle mounting hole column and the groove wall of the L-shaped handle mounting seat, and a handle mounting hole axially penetrates through the handle mounting hole column.
By adopting the design, the novel handle has the advantages that the rear row of handles are convenient to install, and meanwhile, the local strength of the handle mounting holes is ensured by a simple structure with less materials.
As the preferable technical scheme, the backrest framework frame body, the head support column, the L-shaped flanging, the safety belt hanging seat and the L-shaped handle mounting seat are integrally formed, and the materials are magnesium alloy.
By adopting the design, the magnesium alloy seat has the advantages that the process requirement of magnesium alloy, namely light metal, is met through an integrated forming process, the weight of the seat framework can be reduced, the process steps are saved, and the dimensional accuracy of the component is ensured.
The beneficial effects are that: the seat has the beneficial effects that the seat provides support for the head of a passenger, is beneficial to improving riding comfort, integrates the safety belt hanging part on the head support structure, is provided with the rear-row handle mounting position below the head support structure, adopts light alloy and reasonable design, has compact structure, reduces the material consumption, and is beneficial to reducing the weight of the seat.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of section m of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a rear view of FIG. 2;
FIG. 6 is a left side view of FIG. 2;
fig. 7 is a cross-sectional view of fig. 6C-C.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1-2, the head integrated structure of a passenger car seat backrest framework comprises a backrest framework frame body 100, wherein the backrest framework frame body 100 comprises backrest side pipes 101 which are vertically arranged oppositely and an upper beam 102 connected to the upper ends of the two backrest side pipes 101, and a head supporting seat 110 is arranged at the upper part of the backrest framework frame body 100, and the head supporting seat 110 comprises a head supporting column 111 and an L-shaped flanging 114.
The middle part of the upper beam 102 upwards extends and is provided with the head support column 111, the head support column 111 with be connected with between the back limit pipe 101 "L" shape turn-ups 114, this "L" shape turn-ups 114 extends forward, this "L" shape turn-ups 114 include along the horizontal section that upper beam 102 set up and along the vertical section that back limit pipe 101 set up, horizontal section is located the upper beam 102 top, the inner of horizontal section is connected head support column 111, the outer end of horizontal section with the upper end of vertical section is connected, the rear edge of vertical section with back limit pipe 101 is connected, smooth transitional coupling between horizontal section and the vertical section.
The upper beam 102 is connected with two L-shaped handle mounting seats 130, the free ends of the vertical arms of the L-shaped handle mounting seats 130 are connected with the lower edge of the upper beam 102, and the free ends of the cross arms of the L-shaped handle mounting seats 130 are connected with the backrest side tube 101.
As shown in fig. 2 and 3, a vertical section of the "L" -shaped flange 114 is located at the upper portion of the back side tube 101, and is flared while extending forward. The vertical section of the L-shaped flange 114 is provided with a seat belt hanging seat 120, and the seat belt hanging seat 120 extends backward to the backrest side pipe 101 and is connected with the backrest side pipe.
To adapt to the trend of the vertical section of the "L" shaped flange 114, the space occupied by the seat belt hanging seat 120 is reduced, the seat belt hanging seat 120 extends to two sides of the vertical section of the "L" shaped flange 114, the seat belt hanging seat 120 passes through the vertical section of the "L" shaped flange 114, the front part of the seat belt hanging seat 120 is located at the inner side of the vertical section of the "L" shaped flange 114, and the rear part of the seat belt hanging seat 120 is located at the outer side of the vertical section of the "L" shaped flange 114. The belt hanging seat 120 is provided with a belt fixing hole 121 extending therethrough in the left-right direction.
In order to improve the strength, as shown in fig. 2 and 4, a flange reinforcing plate 115 is disposed between the transverse section of the L-shaped flange 114 and the upper beam 102, and the periphery of the flange reinforcing plate 115 is respectively connected with the transverse section, the upper beam 102, the head support column 111 and the vertical section.
In the whole, two head support columns 111 are arranged in the middle of the upper beam 102, one L-shaped flanging 114 and a flanging reinforcing plate 115 are arranged between the two head support columns 111 and the adjacent backrest side columns 101, and the safety belt hanging seat 120 is arranged on the vertical section of the L-shaped flanging 114 on any side.
The backrest skeleton frame 100 is formed by bending a grooved pipe, the opening of the grooved pipe is backwards, the middle section of the grooved pipe is horizontally arranged to form the upper beam 102, two ends of the grooved pipe are respectively bent downwards to form the backrest side pipe 101, the head support column 111 is of a grooved structure with backwards opening, the front side surface of the head support column 111 is flat with the front side surface of the upper beam 102, the L-shaped handle mounting seat 130 is also of a grooved structure with backwards opening, the front side surface of the L-shaped handle mounting seat 130 is flat with the front side surface of the upper beam 102, and the front side surface of the L-shaped handle mounting seat 130 is flat with the front side surface of the upper portion of the backrest side pipe 101.
The rear surface of the flange reinforcing plate 115 is leveled with the rear slot of the head support column 111, which is advantageous to form a three-dimensional connection structure with the surrounding connection portion thereof, thereby further improving the structural strength.
As shown in fig. 5, the reinforcement ribs are provided between the groove bottom and the groove wall of the groove-shaped structure of the back skeleton frame 100, the head support column 111 and the L-shaped handle mount 130.
The bottom of the L-shaped handle mounting seat 130 extends backwards to form a handle mounting hole column 131, a reinforcing rib is arranged between the outer wall of the handle mounting hole column 131 and the groove wall of the L-shaped handle mounting seat 130, and a handle mounting hole 132 axially penetrates through the handle mounting hole column 131.
As shown in fig. 6 and 7, the bottom of the head support column 111 extends backward to form a back plate mounting column 112, a reinforcing rib is disposed between the outer wall of the back plate mounting column 112 and two side walls of the groove structure, and a back plate mounting hole 113 axially penetrates through the back plate mounting column 112.
As shown in fig. 7, the safety belt hanging seat 120 is provided with a weight-reducing cavity opened backward, which is beneficial to weight reduction and convenient for demoulding in the front-rear direction during casting production.
In general, the backrest frame 100, the head support column 111, the "L" shaped flange 114, the seat belt hooking seat 120, and the "L" shaped handle mounting seat 130 are integrally formed, and the materials thereof are all magnesium alloys, specifically, casting molding can be used.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a passenger train seat back skeleton head integrated morphology, includes back skeleton framework (100), back skeleton framework (100) are including vertical relative back limit pipe (101) and connect two entablature (102) of back limit pipe (101) upper end, its characterized in that:
the upper part of the backrest framework frame body (100) is provided with a head supporting seat (110), and the head supporting seat (110) comprises a head supporting column (111) and an L-shaped flanging (114);
the middle of the upper beam (102) is provided with the head support column (111) in an upward extending mode, the L-shaped flanging (114) is connected between the head support column (111) and the backrest side tube (101), the L-shaped flanging (114) extends forwards, the L-shaped flanging (114) comprises a transverse section arranged along the upper beam (102) and a vertical section arranged along the backrest side tube (101), the transverse section is positioned above the upper beam (102), the inner end of the transverse section is connected with the head support column (111), the outer end of the transverse section is connected with the upper end of the vertical section, the rear edge of the vertical section is connected with the backrest side tube (101), and smooth transition connection is achieved between the transverse section and the vertical section;
a safety belt hanging seat (120) is arranged on the vertical section of the L-shaped flanging (114);
the upper beam (102) is connected with two L-shaped handle mounting seats (130), the free ends of vertical arms of the L-shaped handle mounting seats (130) are connected with the lower edge of the upper beam (102), and the free ends of cross arms of the L-shaped handle mounting seats (130) are connected with the backrest side pipe (101);
the vertical section of the L-shaped flanging (114) is positioned at the upper part of the backrest side pipe (101) and is unfolded outwards while extending forwards so as to widen the lateral space of the head;
the safety belt hanging seat (120) extends backwards to the backrest side pipe (101) and is connected with the backrest side pipe so as to improve the connection strength of the safety belt hanging seat and the backrest framework frame body;
the safety belt hanging seat (120) extends to two sides of the vertical section of the L-shaped flanging (114), the safety belt hanging seat (120) penetrates through the vertical section of the L-shaped flanging (114), the front part of the safety belt hanging seat (120) is positioned at the inner side of the vertical section of the L-shaped flanging (114), and the rear part of the safety belt hanging seat (120) is positioned at the outer side of the vertical section of the L-shaped flanging (114);
a flanging reinforcing plate (115) is arranged between the transverse section of the L-shaped flanging (114) and the upper beam (102), and the periphery of the flanging reinforcing plate (115) is respectively connected with the transverse section, the upper beam (102), the head support column (111) and the vertical section;
the middle part of the upper beam (102) is provided with two head support columns (111), one L-shaped flanging (114) and a flanging reinforcing plate (115) are respectively arranged between the two head support columns (111) and the adjacent backrest side pipe (101), and the vertical section of the L-shaped flanging (114) on any side is provided with the safety belt hanging seat (120);
the backrest framework frame body (100) is formed by bending a grooved pipe, the opening of the grooved pipe is backward, the middle section of the grooved pipe is horizontally arranged to form the upper cross beam (102), and the two ends of the grooved pipe are respectively bent downwards to form the backrest side pipe (101).
2. A passenger car seat back frame head integration structure according to claim 1, wherein: the safety belt hanging seat (120) is provided with a safety belt fixing hole (121) in a penetrating mode along the left-right direction, and a weight reducing cavity with a backward opening is arranged in the safety belt hanging seat (120).
3. A passenger car seat back frame head integration structure according to claim 1, wherein: the head support column (111) is of a groove-shaped structure with a backward opening, and the front side surface of the head support column (111) is leveled with the front side surface of the upper beam (102);
the L-shaped handle mounting seat (130) is of a groove-shaped structure with a backward opening, the front side surface of the L-shaped handle mounting seat (130) is leveled with the front side surface of the upper cross beam (102), and the front side surface of the L-shaped handle mounting seat (130) is leveled with the front side surface of the upper part of the backrest side pipe (101);
the rear surface of the flanging reinforcing plate (115) is leveled with the rear-side notch of the head support column (111).
4. A passenger car seat back frame head integration structure according to claim 3, wherein: the bottom of the head support column (111) extends backwards to be provided with a backboard mounting column (112), a reinforcing rib is arranged between the outer wall of the backboard mounting column (112) and the two side walls of the groove-shaped structure, and backboard mounting holes (113) axially penetrate through the backboard mounting column (112).
5. A passenger car seat back frame head integration structure according to claim 3, wherein: the bottom of the L-shaped handle mounting seat (130) extends backwards to form a handle mounting hole column (131), a reinforcing rib is arranged between the outer wall of the handle mounting hole column (131) and the groove wall of the L-shaped handle mounting seat (130), and a handle mounting hole (132) axially penetrates through the handle mounting hole column (131).
6. A passenger car seat back frame head integration structure according to claim 3, wherein: the backrest framework frame body (100), the head support column (111), the L-shaped flanging (114), the safety belt hanging seat (120) and the L-shaped handle mounting seat (130) are integrally formed, and the materials of the backrest framework frame body and the head support column are magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129164.2A CN108312921B (en) | 2018-02-08 | 2018-02-08 | Integrated structure of head of backrest framework of passenger car seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810129164.2A CN108312921B (en) | 2018-02-08 | 2018-02-08 | Integrated structure of head of backrest framework of passenger car seat |
Publications (2)
| Publication Number | Publication Date |
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| CN108312921A CN108312921A (en) | 2018-07-24 |
| CN108312921B true CN108312921B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810129164.2A Active CN108312921B (en) | 2018-02-08 | 2018-02-08 | Integrated structure of head of backrest framework of passenger car seat |
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| Country | Link |
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| Publication number | Publication date |
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| CN108312921A (en) | 2018-07-24 |
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